148454509 has 16 divisors (see below), whose sum is σ = 177753600. Its totient is φ = 121290624.

The previous prime is 148454507. The next prime is 148454521. The reversal of 148454509 is 905454841.

It is not a de Polignac number, because 148454509 - 2¹ = 148454507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148454507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11409 + ... + 20665.

It is an arithmetic number, because the mean of its divisors is an integer number (11109600).

Almost surely, 2^148454509 is an apocalyptic number.

It is an amenable number.

148454509 is a deficient number, since it is larger than the sum of its proper divisors (29299091).

148454509 is an equidigital number, since it uses as much as digits as its factorization.

148454509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9372.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 148454509 is about 12184.1909456476. The cubic root of 148454509 is about 529.4981710134.

The spelling of 148454509 in words is "one hundred forty-eight million, four hundred fifty-four thousand, five hundred nine".